Process Control and Instrumentation Routh test Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Volts Millivolts Kilo volts Microvolts Volts Millivolts Kilo volts Microvolts ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Thermocouple Mercury in glass thermometer Reistance thermometer Vapor pressure thermometer Thermocouple Mercury in glass thermometer Reistance thermometer Vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Platinum-platinum/rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum/rhodium Copper-constantan Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Derivative control action is introduced Integral control action is introduced Kc is reduced Kc is increased Derivative control action is introduced Integral control action is introduced Kc is reduced Kc is increased ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential. Proportional to the square root of Inversely proportional to the square root of Proportional to Inversely proportional to the square of Proportional to the square root of Inversely proportional to the square root of Proportional to Inversely proportional to the square of ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS